Photo frame



FIG. 1 is a front elevational view of a photo frame showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof; and

FIG. 6 is a cross sectional view taken in the direction of the arrows on line 6--6 of FIG. 1. 

The ornamental design for a photo frame, as shown and described. 